Trustline is California's official background check for license-exempt child care providers (i.e. babysitters and nannies) and the only authorized screening program in California with access to fingerprint records at the California Department of Justice and the Federal Bureau of Investigation and access to the California Child Abuse Central Index. The Trustline registry toll-free telephone number is 1-800-822-8490.

Pursuant to Section 1596.859 of the Health and Safety Code, parents have the right to receive information regarding any substantiated or inconclusive complaint about licensed child care providers. That information is public and can be acquired by visiting the California Department of Social Services' Internet Web site at "www.ccld.ca.gov".